*SUPPORT*
IN: gazzer tufa zup OUT: RED GREEN GREEN GREEN
IN: gazzer wif wif zup OUT: RED PINK PINK PINK PINK
IN: tufa OUT: GREEN
IN: tufa zup OUT: GREEN GREEN GREEN
IN: tufa blicket fep OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: gazzer blicket OUT: RED RED RED RED
IN: wif fep OUT: PINK PINK
IN: dax zup fep OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: wif zup OUT: PINK PINK PINK
IN: dax dax wif blicket OUT: BLUE BLUE PINK PINK PINK PINK
IN: tufa blicket OUT: GREEN GREEN GREEN GREEN
IN: tufa wif zup OUT: GREEN PINK PINK PINK
IN: wif wif zup OUT: PINK PINK PINK PINK
IN: dax fep OUT: BLUE BLUE

*QUERY*
IN: wif OUT: PINK
IN: wif gazzer dax tufa dax blicket OUT: PINK RED BLUE GREEN BLUE BLUE BLUE BLUE
IN: gazzer zup OUT: RED RED RED
IN: dax OUT: BLUE
IN: dax zup OUT: BLUE BLUE BLUE
IN: dax gazzer blicket OUT: BLUE RED RED RED RED
IN: dax blicket OUT: BLUE BLUE BLUE BLUE
IN: tufa tufa blicket OUT: GREEN GREEN GREEN GREEN GREEN
IN: wif blicket OUT: PINK PINK PINK PINK
IN: gazzer OUT: RED

*GRAMMAR*
tufa -> GREEN 
 wif -> PINK 
 dax -> BLUE 
 gazzer -> RED 
 x1 fep -> [x1] [x1] 
 u1 zup -> [u1] [u1] [u1] 
 u1 blicket -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 